A post-polymerization functionalization strategy for the synthesis of sulfonyl (trifluoromethanesulfonyl)imide functionalized (co)polymers

In this Communication, we report the synthesis of a series of potassium sulfonyl (trifluoromethanesulfonyl)imide (STFSI) derivatives, bearing at one extremity the STFSI group and at the other extremity either bromo, azido or amine groups. The resultant STFSI derivatives were subsequently used in the post-polymerization functionalization of (co)polymers to yield functionalized (co)polymers by exploiting the highly efficient coupling reactions, namely alkylation, amidation and alkyne–azide cycloaddition.